TSA7887 datasheet(4/21 Pages) SILABS

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TSA7887

Page 4

TSA7887 Rev. 1.0

RTFDS

ELECTRICAL SPECIFICATIONS (continued)

VDD = +2.7V to +5.25V; VREF = 2.5V External/internal reference unless otherwise noted; fSCLK = 2 MHz;

TA = TMIN to TMAX, unless otherwise noted.

Parameter

A Version1

B Version1

Unit

Test Conditions/Comments

POWER REQUIREMENTS

VDD

+2.7/+5.25

V (min/max)

IDD

Normal Mode4 (PM Mode 2)

Static

700

μA (max)

Operational (fSAMPLE = 125 kSPS)

850

μA (typ)

Internal reference enabled

700

μA (typ)

Internal reference disabled

Using Standby Mode (PM Mode 4)

450

μA (typ)

fSAMPLE = 50 ksps

Using Shutdown Mode

(PM Modes 1 and 3)

120

μA (typ)

fSAMPLE = 10 ksps

μA (typ)

fSAMPLE = 1 ksps

Standby Mode5

210

μA (max)

VDD = 2.7V to 5.25V

Shutdown Mode5

μA (max)

VDD = 2.7V to 3.6V

μA (max)

VDD = 4.75V to 5.25V

Normal Mode Power Dissipation

3.5

mW (max)

VDD = 5 V

2.1

mW (max)

VDD = 3 V

Shutdown Power Dissipation

μW (max)

VDD = 5 V

μW (max)

VDD = 3 V

Standby Power Dissipation

1.05

mW (max)

VDD = 5 V

630

μW (max)

VDD = 3 V

Note 1: The TSA7887’s temperature range is –40

°C to +125°C for both A and B versions.

Note 2: SNR calculation includes distortion and noise components.

Note 3: Sample tested at TA = 25°C to ensure compliance.

Note 4: All digital inputs at GND except for CS at VDD. All digital outputs are unloaded. Analog inputs are connected to GND.

Note 5: SCLK is at GND when SCLK is off. All digital inputs are at GND except for CS at VDD. All digital outputs are unloaded. Analog inputs

are connected to GND.

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